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A tensile test is an experimental measure, where you try to elongate an object, while measuring the strength you are using to do so. The elongation process is made with a constant speed, until we reach the breaking point. This gives us everything we need to draw a force curve based on the elongation. Thanks to those values, we are then able to deduce the elasticity modulus of the material, and its elongation at the rupture point.
In order to ensure that our results are pertinent we have been following the recommendations of normatives agencies for plastic injection since 3D printing norms have not been developed yet (ISO 527-2 1BA). Theses specimens have bigger extremities to ensure that the maximal stress and strain will be concentrated in the central part. Each test has been performed on at least 5 specimens.
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